Thousandth of an inch is often expressed as "1 thou" and is exactly equal to: 0.001 inches, 0.0254 mm, or 25.4 um (1 inch is equal to 1,000 thou)

We Support Both Imperial and Metric

Either of these measurement systems are compatible with our manufacturing. Don't mix them in your outputs. Gerber and NC files must be produced in the same measurement system. This prevents subtle alignment issues between Gerber pads and NC holes.